Dan Biggar urges Wales to ‘change rest of our lives’ against South Africa

• Fly-half puts his faith in ‘attitude and resolve’ for semi-final
• Biggar admits quarter-final win over France was fortunateWales have been urged to seize the moment and take advantage of the life-changing opportunity available to them in Japan. No Welsh side have reached a World Cup final but the fly-half Dan Biggar believes the tournament remains wide open before Sunday’s semi-final against South Africa.Biggar accepts Warren Gatland’s team were fortunate to